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Finding the Fourth Proportional to 103,650.62, 143,036.16 and 58,328.57

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Solution

The fourth proportional to 103,650.62, 143,036.16 and 58,328.57 is: 80,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,650.62 : 143,036.16 = 58,328.57 : x
  2. Step 2: Convert to fraction form
    103,650.62/143,036.16 = 58,328.57/x
  3. Step 3: Cross multiply
    103,650.62x = 143,036.16 × 58,328.57
  4. Step 4: Simplify right side
    103,650.62x = 8,343,094,809.95
  5. Step 5: Solve for x
    x = 8,343,094,809.95/103,650.62
  6. Step 6: Final answer
    x = 80,492.48

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